J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2004 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | #ifdef HEADLESS |
| 26 | #error This file should not be included in headless library |
| 27 | #endif |
| 28 | |
| 29 | #include "awt_p.h" |
| 30 | #include "java_awt_MenuBar.h" |
| 31 | #include "sun_awt_motif_MMenuBarPeer.h" |
| 32 | #include "java_awt_Menu.h" |
| 33 | #include "java_awt_Frame.h" |
| 34 | #include "sun_awt_motif_MFramePeer.h" |
| 35 | |
| 36 | #include "awt_GraphicsEnv.h" |
| 37 | #include "awt_MenuBar.h" |
| 38 | #include "awt_Component.h" |
| 39 | |
| 40 | #include <jni.h> |
| 41 | #include <jni_util.h> |
| 42 | |
| 43 | extern struct MComponentPeerIDs mComponentPeerIDs; |
| 44 | extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; |
| 45 | struct MMenuBarPeerIDs mMenuBarPeerIDs; |
| 46 | |
| 47 | /* |
| 48 | * Class: sun_awt_motif_MMenuBarPeer |
| 49 | * Method: initIDs |
| 50 | * Signature: ()V |
| 51 | */ |
| 52 | |
| 53 | /* This function gets called from the static initializer for MMenuBarPeer.java |
| 54 | to initialize the fieldIDs fields that may be accessed from C */ |
| 55 | JNIEXPORT void JNICALL |
| 56 | Java_sun_awt_motif_MMenuBarPeer_initIDs |
| 57 | (JNIEnv *env, jclass cls) |
| 58 | { |
| 59 | mMenuBarPeerIDs.pData = (*env)->GetFieldID(env, cls, "pData", "J"); |
| 60 | mMenuBarPeerIDs.graphicsConfig = |
| 61 | (*env)->GetFieldID(env, cls, "graphicsConfig", |
| 62 | "Lsun/awt/X11GraphicsConfig;"); |
| 63 | } |
| 64 | |
| 65 | static AwtGraphicsConfigDataPtr |
| 66 | copyGraphicsConfigToMenuBarPeer( |
| 67 | JNIEnv *env, jobject frame, jobject thisMenuBar) { |
| 68 | |
| 69 | jobject gc_object; |
| 70 | AwtGraphicsConfigDataPtr adata; |
| 71 | |
| 72 | /* GraphicsConfiguration object of Component */ |
| 73 | gc_object = (*env)->GetObjectField(env, frame, |
| 74 | mComponentPeerIDs.graphicsConfig); |
| 75 | |
| 76 | if (gc_object != NULL) { |
| 77 | /* Set graphicsConfig field of MComponentPeer */ |
| 78 | (*env)->SetObjectField (env, thisMenuBar, |
| 79 | mMenuBarPeerIDs.graphicsConfig, |
| 80 | gc_object); |
| 81 | adata = (AwtGraphicsConfigDataPtr) |
| 82 | JNU_GetLongFieldAsPtr(env, gc_object, |
| 83 | x11GraphicsConfigIDs.aData); |
| 84 | } else { |
| 85 | /* Component was not constructed with a GraphicsConfiguration |
| 86 | object */ |
| 87 | adata = getDefaultConfig(DefaultScreen(awt_display)); |
| 88 | } |
| 89 | |
| 90 | return adata; |
| 91 | } |
| 92 | |
| 93 | AwtGraphicsConfigDataPtr |
| 94 | getGraphicsConfigFromMenuBarPeer(JNIEnv *env, jobject menubarPeer) { |
| 95 | |
| 96 | jobject gc_object; |
| 97 | AwtGraphicsConfigDataPtr adata; |
| 98 | |
| 99 | /* GraphicsConfiguration object of Component */ |
| 100 | gc_object = (*env)->GetObjectField(env, menubarPeer, |
| 101 | mMenuBarPeerIDs.graphicsConfig); |
| 102 | |
| 103 | if (gc_object != NULL) { |
| 104 | adata = (AwtGraphicsConfigDataPtr) |
| 105 | JNU_GetLongFieldAsPtr(env, gc_object, |
| 106 | x11GraphicsConfigIDs.aData); |
| 107 | } else { |
| 108 | adata = getDefaultConfig(DefaultScreen(awt_display)); |
| 109 | } |
| 110 | |
| 111 | return adata; |
| 112 | } |
| 113 | |
| 114 | /* |
| 115 | * Class: sun_awt_motif_MMenuBarPeer |
| 116 | * Method: create |
| 117 | * Signature: (Lsun/awt/motif/MFramePeer;)V |
| 118 | */ |
| 119 | JNIEXPORT void JNICALL Java_sun_awt_motif_MMenuBarPeer_create |
| 120 | (JNIEnv * env, jobject this, jobject frame) |
| 121 | { |
| 122 | #define MAX_ARGC 20 |
| 123 | Arg args[MAX_ARGC]; |
| 124 | int32_t argc; |
| 125 | struct ComponentData *mdata; |
| 126 | struct FrameData *wdata; |
| 127 | Pixel bg; |
| 128 | Pixel fg; |
| 129 | AwtGraphicsConfigDataPtr adata; |
| 130 | |
| 131 | if (JNU_IsNull(env, frame)) { |
| 132 | JNU_ThrowNullPointerException(env, "NullPointerException"); |
| 133 | return; |
| 134 | } |
| 135 | AWT_LOCK(); |
| 136 | wdata = (struct FrameData *) |
| 137 | JNU_GetLongFieldAsPtr(env, frame, mComponentPeerIDs.pData); |
| 138 | mdata = ZALLOC(ComponentData); |
| 139 | |
| 140 | if (wdata == NULL || mdata == NULL) { |
| 141 | JNU_ThrowNullPointerException(env, "NullPointerException"); |
| 142 | AWT_UNLOCK(); |
| 143 | return; |
| 144 | } |
| 145 | JNU_SetLongFieldFromPtr(env, this, mMenuBarPeerIDs.pData, mdata); |
| 146 | |
| 147 | adata = copyGraphicsConfigToMenuBarPeer(env, frame, this); |
| 148 | |
| 149 | XtVaGetValues(wdata->winData.comp.widget, |
| 150 | XmNbackground, &bg, |
| 151 | XmNforeground, &fg, |
| 152 | NULL); |
| 153 | |
| 154 | argc = 0; |
| 155 | XtSetArg(args[argc], XmNbackground, bg); |
| 156 | argc++; |
| 157 | XtSetArg(args[argc], XmNforeground, fg); |
| 158 | argc++; |
| 159 | XtSetArg (args[argc], XmNscreen, |
| 160 | ScreenOfDisplay(awt_display, |
| 161 | adata->awt_visInfo.screen)); |
| 162 | argc++; |
| 163 | |
| 164 | DASSERT(!(argc > MAX_ARGC)); |
| 165 | mdata->widget = XmCreateMenuBar(wdata->mainWindow, "menu_bar", args, argc); |
| 166 | awt_addMenuWidget(mdata->widget); |
| 167 | XtSetMappedWhenManaged(mdata->widget, False); |
| 168 | XtManageChild(mdata->widget); |
| 169 | AWT_UNLOCK(); |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | * Class: sun_awt_motif_MMenuBarPeer |
| 174 | * Method: dispose |
| 175 | * Signature: ()V |
| 176 | */ |
| 177 | JNIEXPORT void JNICALL Java_sun_awt_motif_MMenuBarPeer_pDispose |
| 178 | (JNIEnv * env, jobject this) |
| 179 | { |
| 180 | struct ComponentData *mdata; |
| 181 | |
| 182 | AWT_LOCK(); |
| 183 | |
| 184 | /*hania LOOK HERE does this make sense? look at original code */ |
| 185 | mdata = (struct ComponentData *) |
| 186 | JNU_GetLongFieldAsPtr(env, this, mMenuBarPeerIDs.pData); |
| 187 | if (mdata == NULL) { |
| 188 | AWT_UNLOCK(); |
| 189 | return; |
| 190 | } |
| 191 | awt_delMenuWidget(mdata->widget); |
| 192 | XtUnmanageChild(mdata->widget); |
| 193 | awt_util_consumeAllXEvents(mdata->widget); |
| 194 | XtDestroyWidget(mdata->widget); |
| 195 | free((void *) mdata); |
| 196 | (*env)->SetLongField(env, this, mMenuBarPeerIDs.pData, (jlong)0); |
| 197 | AWT_UNLOCK(); |
| 198 | } |